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Ada Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Loudoun-County, Virginia
Our Model Tree links this Ada Williams across the 1930 and 1940 US Censuses in Loudoun-County, Virginia (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 7-person household.
Age 37
b. ~1903
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Loudoun-County, Virginia |
| Surname | Williams |
| Given Name | Ada E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Loudoun |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Leesburg District |
| Est. Birth Year | ~1903 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Betty Williams | Daughter | — | 12 | ~1928 |
| Mary Williams | Daughter | — | 16 | ~1924 |
| Rosalee Williams | Daughter | — | 14 | ~1926 |
| Ellen Williams | Daughter | — | 8 | ~1932 |
| Clifford Williams | Head | — | 47 | ~1893 |
| Leslie Williams | Son | — | 18 | ~1922 |
| Ada Williams | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Loudoun, Virginia
Spouse, age 27
Loudoun, Virginia · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ada E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 17 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Loudoun-County, Virginia
Spouse, age 37
Loudoun-County, Virginia · implied b. ~1903 — 7 household members
| Surname | Williams |
| Given Name | Ada E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Loudoun |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ada Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Williams
Spouse · 1940 · age 37 · b. ~1903 · Virginia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Loudoun-County, Virginia
Open full size
1940 US Federal Census — Loudoun-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04274-00329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luther A. Byrum | 78 | Head | Retired | Virginia |
| 2 | William S. Byrum | 45 | Son | Farmer | Virginia |
| 3 | Lillian S. Byrum | 38 | Daughter | — | Virginia |
| 4 | Kermit E. James | 33 | Head | Farmer | Virginia |
| 5 | Lucille M. James | 25 | Wife | — | Virginia |
| 6 | Kermit C. James | 7 | Son | — | Virginia |
| 7 | Milton D. James | 4 | Son | — | Virginia |
| 8 | Rose E. Bailey | 43 | Head | — | West Virginia |
| 9 | Leroy J. Bailey | 16 | Son | Laborer | West Virginia |
| 10 | Almon E. Trenton | 58 | Head | Stock Dealer | Virginia |
| 11 | Leah E. Trenton | 57 | Wife | — | Virginia |
| 12 | George D. Trenton | 33 | Son | Laborer | Virginia |
| 13 | Louise V. Trenton | 23 | Daughter-in-law | — | Virginia |
| 14 | Alma E. Trenton | 5 | Granddaughter | — | Virginia |
| 15 | Shirley A. Trenton | 4 | Granddaughter | — | Virginia |
| 16 | Gayle W. Trenton | 3 | Grandson | — | Virginia |
| 17 | John M. Trenton | 2 | Grandson | — | Virginia |
| 18 | Joyce R. Trenton | 0 | Granddaughter | — | Virginia |
| 19 | P. E. Daniel | 35 | Head | Laborer | Virginia |
| 20 | Ella Daniel | 30 | Wife | — | West Virginia |
| 21 | Charles D. Daniel | 5 | Son | — | Virginia |
| 22 | Elmer S. Flemming | 68 | Head | Mechanic | Virginia |
| 23 | Guy E. Howard | 57 | Head | Brakeman | Virginia |
| 24 | Goldie A. Howard | 54 | Wife | — | Virginia |
| 25 | Mary G. Howard | 28 | Daughter | — | Virginia |
| 26 | Ethel S. Howard | 23 | Daughter | Weaver | Virginia |
| 27 | Guy Jr. Howard | 16 | Son | — | Virginia |
| 28 | James T. Humphrey | 43 | Head | Deputy Sheriff | Virginia |
| 29 | Minnie E. Humphrey | 47 | Wife | — | Virginia |
| 30 | John W. Humphrey | 15 | Son | — | Virginia |
| 31 | James T. Jr. Humphrey | 10 | Son | — | Virginia |
| 32 | James F. Humphrey | 6 | Son | — | Virginia |
| 33 | Lewis Trenton | 65 | Servant | Laborer | Virginia |
| 34 | Clifford A. Williams | 47 | Head | Caretaker | Virginia |
| 35 | Ada E. Williams THIS PERSON | 37 | Wife | — | Virginia |
| 36 | Leslie E. Williams | 18 | Son | Laborer | Virginia |
| 37 | Mary V. Williams | 16 | Daughter | — | Virginia |
| 38 | Rosalee Williams | 14 | Daughter | — | Maryland |
| 39 | Betty Lou Williams | 12 | Daughter | — | Maryland |
| 40 | Ellen M. Williams | 8 | Daughter | — | Virginia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)